patch-pre2.0.11 linux/arch/ppc/kernel/raw_printf.c
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- Lines: 1201
- Date:
Thu Jan 1 02:00:00 1970
- Orig file:
pre2.0.10/linux/arch/ppc/kernel/raw_printf.c
- Orig date:
Tue May 28 08:09:55 1996
diff -u --recursive --new-file pre2.0.10/linux/arch/ppc/kernel/raw_printf.c linux/arch/ppc/kernel/raw_printf.c
@@ -1,1200 +0,0 @@
-#define FALSE 0
-#define TRUE 1
-#include <stdarg.h>
-
-extern int isBeBox[];
-
-extern void cnputc(char c);
-
-static char *_sprintk_ptr;
-
-static _sputc(char c)
-{
- *_sprintk_ptr++ = c;
- *_sprintk_ptr = '\0';
-}
-
-_sprintk(char *buf, char const *fmt, ...)
-{
- int ret;
- va_list ap;
-
- va_start(ap, fmt);
- _sprintk_ptr = buf;
- ret = _vprintk(_sputc, fmt, ap);
- va_end(ap);
- return (ret);
-}
-
-_vsprintk(char *buf, char const *fmt, va_list ap)
-{
- int ret;
-
- _sprintk_ptr = buf;
- ret = _vprintk(_sputc, fmt, ap);
- return (ret);
-}
-
-_printk(char const *fmt, ...)
-{
- int ret;
- va_list ap;
-
- va_start(ap, fmt);
- ret = _vprintk(cnputc, fmt, ap);
- va_end(ap);
- return (ret);
-}
-
-#define is_digit(c) ((c >= '0') && (c <= '9'))
-
-int
-_vprintk(putc, fmt0, ap)
- int (*putc)();
- const char *fmt0;
- va_list ap;
-{
- char c, sign, *cp;
- int left_prec, right_prec, zero_fill, length, pad, pad_on_right;
- char buf[32];
- long val;
- while (c = *fmt0++)
- {
- if (c == '%')
- {
- c = *fmt0++;
- left_prec = right_prec = pad_on_right = 0;
- if (c == '-')
- {
- c = *fmt0++;
- pad_on_right++;
- }
- if (c == '0')
- {
- zero_fill = TRUE;
- c = *fmt0++;
- } else
- {
- zero_fill = FALSE;
- }
- while (is_digit(c))
- {
- left_prec = (left_prec * 10) + (c - '0');
- c = *fmt0++;
- }
- if (c == '.')
- {
- c = *fmt0++;
- zero_fill++;
- while (is_digit(c))
- {
- right_prec = (right_prec * 10) + (c - '0');
- c = *fmt0++;
- }
- } else
- {
- right_prec = left_prec;
- }
- sign = '\0';
- switch (c)
- {
- case 'd':
- case 'x':
- case 'X':
- val = va_arg(ap, long);
- switch (c)
- {
- case 'd':
- if (val < 0)
- {
- sign = '-';
- val = -val;
- }
- length = _cvt(val, buf, 10, "0123456789");
- break;
- case 'x':
- length = _cvt(val, buf, 16, "0123456789abcdef");
- break;
- case 'X':
- length = _cvt(val, buf, 16, "0123456789ABCDEF");
- break;
- }
- cp = buf;
- break;
- case 's':
- cp = va_arg(ap, char *);
- length = strlen(cp);
- break;
- case 'c':
- c = va_arg(ap, long /*char*/);
- (*putc)(c);
- continue;
- default:
- (*putc)('?');
- }
- pad = left_prec - length;
- if (sign != '\0')
- {
- pad--;
- }
- if (zero_fill)
- {
- c = '0';
- if (sign != '\0')
- {
- (*putc)(sign);
- sign = '\0';
- }
- } else
- {
- c = ' ';
- }
- if (!pad_on_right)
- {
- while (pad-- > 0)
- {
- (*putc)(c);
- }
- }
- if (sign != '\0')
- {
- (*putc)(sign);
- }
- while (length-- > 0)
- {
- (*putc)(c = *cp++);
- if (c == '\n')
- {
- (*putc)('\r');
- }
- }
- if (pad_on_right)
- {
- while (pad-- > 0)
- {
- (*putc)(c);
- }
- }
- } else
- {
- (*putc)(c);
- if (c == '\n')
- {
- (*putc)('\r');
- }
- }
- }
-}
-
-static _cvt(unsigned long val, char *buf, long radix, char *digits)
-{
- char temp[80];
- char *cp = temp;
- int length = 0;
- if (val == 0)
- { /* Special case */
- *cp++ = '0';
- } else
- while (val)
- {
- *cp++ = digits[val % radix];
- val /= radix;
- }
- while (cp != temp)
- {
- *buf++ = *--cp;
- length++;
- }
- *buf = '\0';
- return (length);
-}
-
-/*
- * Console I/O interface
- */
-
-typedef const (*proc)();
-typedef int dev_t;
-
-#define FALSE 0
-#define TRUE 1
-
-#define CRT_PORT 0x3D4 /* Pick one */
-
-static int init = FALSE;
-static int is_crt = 0;
-static int port = 0;
-static int line_num = 0;
-#define MAX_LINES 24
-
-char
-cngetc()
-{
- int s = _disable_interrupts();
- char c = '\0';
- if (port == CRT_PORT)
- {
- c = CRT_getc(port);
- } else
- if (port)
- {
- c = NS16550_getc(port);
- }
- _enable_interrupts(s);
- return (c);
-}
-
-cntstc()
-{
- return (0);
-}
-
-char _cn_trace[1024];
-char *_cnp = _cn_trace;
-
-/*
- * Console kernel output character routine.
- */
-void
-cnputc(char c)
-{
- *_cnp++ = c;
- if (_cnp == &_cn_trace[sizeof(_cn_trace)])
- {
- _cnp = _cn_trace;
- }
- if (!init)
- {
- if (is_crt = CRT_init())
- {
- port = CRT_PORT;
- } else
- {
- port = NS16550_init(0);
- }
- init = TRUE;
- }
- if (port == CRT_PORT)
- {
- CRT_putc(port, c);
- } else
- if (port)
- {
- NS16550_putc(port, c);
- }
- if (c == '\n')
- {
- if (line_num >= 0) line_num++;
- }
- if (c == '\r')
- {
- if (line_num >= MAX_LINES)
- {
- line_num = 0;
- _cnpause();
- }
- }
-}
-
-_cnpause()
-{
- int c;
- int s = _disable_interrupts();
- _printk("-- More? ");
- while ((c = cngetc()) == 0);
- _printk("\r \r"); /* Erase prompt */
- if (c == ' ')
- {
- line_num = 0;
- } else
- if (c == 'n')
- {
- line_num = -1; /* Turn off pause */
- } else
- if ((c == '\r') || (c == '\n'))
- {
- line_num = MAX_LINES-1;
- } else
- if (c == 0x03) /* ^C */
- {
- abort();
- } else
- {
- line_num = MAX_LINES - (MAX_LINES/3);
- }
- _enable_interrupts(s);
-}
-
-cnpause()
-{
- int c;
- int s = _disable_interrupts();
- flush_data_cache();
- printk("-- More? ");
- while ((c = cngetc()) == 0);
- printk("\r \r"); /* Erase prompt */
- _enable_interrupts(s);
-}
-
-/*
- * COM1 NS16550 support
- */
-
-struct NS16550
- {
- unsigned char rbr; /* 0 */
- unsigned char ier; /* 1 */
- unsigned char fcr; /* 2 */
- unsigned char lcr; /* 3 */
- unsigned char mcr; /* 4 */
- unsigned char lsr; /* 5 */
- unsigned char msr; /* 6 */
- unsigned char scr; /* 7 */
- };
-
-#define thr rbr
-#define iir fcr
-#define dll rbr
-#define dlm ier
-
-#define LSR_DR 0x01 /* Data ready */
-#define LSR_OE 0x02 /* Overrun */
-#define LSR_PE 0x04 /* Parity error */
-#define LSR_FE 0x08 /* Framing error */
-#define LSR_BI 0x10 /* Break */
-#define LSR_THRE 0x20 /* Xmit holding register empty */
-#define LSR_TEMT 0x40 /* Xmitter empty */
-#define LSR_ERR 0x80 /* Error */
-
-#define COM1 0x800003F8
-#define COM2 0x800002F8
-
-typedef struct NS16550 *NS16550_t;
-
-const NS16550_t COM_PORTS[] = { COM1, COM2};
-
-volatile struct NS16550 *
-NS16550_init(int chan)
-{
- volatile struct NS16550 *com_port;
- volatile unsigned char xx;
- com_port = (struct NS16550 *) COM_PORTS[chan];
- /* See if port is present */
- com_port->lcr = 0x00;
- com_port->ier = 0xFF;
-#if 0
- if (com_port->ier != 0x0F) return ((struct NS16550 *)0);
-#endif
- com_port->ier = 0x00;
- com_port->lcr = 0x80; /* Access baud rate */
- com_port->dll = 12; /* 9600 baud */
- com_port->dlm = 12 >> 8;
- com_port->lcr = 0x03; /* 8 data, 1 stop, no parity */
- com_port->mcr = 0x03; /* RTS/DTR */
- com_port->fcr = 0x07; /* Clear & enable FIFOs */
- return (com_port);
-}
-
-
-NS16550_putc(volatile struct NS16550 *com_port, unsigned char c)
-{
- volatile int i;
- while ((com_port->lsr & LSR_THRE) == 0) ;
- com_port->thr = c;
-}
-
-unsigned char NS16550_getc(volatile struct NS16550 *com_port)
-{
- while ((com_port->lsr & LSR_DR) == 0) ;
- return (com_port->rbr);
-}
-
-NS16550_test(volatile struct NS16550 *com_port)
-{
- return ((com_port->lsr & LSR_DR) != 0);
-}
-
-typedef unsigned short u_short;
-typedef unsigned char u_char;
-
-#define COL 80
-#define ROW 25
-#define CHR 2
-#define MONO_BASE 0x3B4
-#define MONO_BUF 0xB0000
-#define CGA_BASE 0x3D4
-#define CGA_BUF 0xB8000
-#define ISA_mem ((unsigned char *)0xC0000000)
-#define ISA_io ((unsigned char *)0x80000000)
-
-unsigned char background = 0;
-unsigned char foreground = 6;
-
-unsigned int addr_6845;
-unsigned short *Crtat;
-int lastpos;
-int scroll;
-
-static void
-outb(int port, unsigned char c)
-{
- ISA_io[port] = c;
-}
-
-static unsigned char
-inb(int port)
-{
- return (ISA_io[port]);
-}
-
-/*
- * The current state of virtual displays
- */
-struct screen {
- u_short *cp; /* the current character address */
- enum state {
- NORMAL, /* no pending escape */
- ESC, /* saw ESC */
- EBRAC, /* saw ESC[ */
- EBRACEQ /* saw ESC[= */
- } state; /* command parser state */
- int cx; /* the first escape seq argument */
- int cy; /* the second escape seq argument */
- int *accp; /* pointer to the current processed argument */
- int row; /* current column */
- int so; /* standout mode */
- u_short color; /* normal character color */
- u_short color_so; /* standout color */
- u_short save_color; /* saved normal color */
- u_short save_color_so; /* saved standout color */
-} screen;
-
-/*
- * Color and attributes for normal, standout and kernel output
- * are stored in the least-significant byte of a u_short
- * so they don't have to be shifted for use.
- * This is all byte-order dependent.
- */
-#define CATTR(x) (x) /* store color/attributes un-shifted */
-#define ATTR_ADDR(which) (((u_char *)&(which))+1) /* address of attributes */
-
-unsigned short pccolor; /* color/attributes for tty output */
-unsigned short pccolor_so; /* color/attributes, standout mode */
-
-/*
- * cursor() sets an offset (0-1999) into the 80x25 text area
- */
-static void
-cursor()
-{
- int pos = screen.cp - Crtat;
-
- if (lastpos != pos) {
- outb(addr_6845, 14);
- outb(addr_6845+1, pos >> 8);
- outb(addr_6845, 15);
- outb(addr_6845+1, pos);
- lastpos = pos;
- }
-}
-
-static void
-initscreen()
-{
- struct screen *d = &screen;
-
- pccolor = CATTR((background<<4)|foreground);
- pccolor_so = CATTR((foreground<<4)|background);
- d->color = pccolor;
- d->save_color = pccolor;
- d->color_so = pccolor_so;
- d->save_color_so = pccolor_so;
-}
-
-
-#define wrtchar(c, d) { \
- *(d->cp) = c; \
- d->cp++; \
- d->row++; \
-}
-
-fillw(unsigned short val, unsigned short *buf, int num)
-{
- /* Need to byte swap value */
- unsigned short tmp;
- tmp = val;
- while (num-- > 0)
- {
- *buf++ = tmp;
- }
-}
-
-/*
- * CRT_putc (nee sput) has support for emulation of the 'ibmpc' termcap entry.
- * This is a bare-bones implementation of a bare-bones entry
- * One modification: Change li#24 to li#25 to reflect 25 lines
- * "ca" is the color/attributes value (left-shifted by 8)
- * or 0 if the current regular color for that screen is to be used.
- */
-void
-CRT_putc(int port, u_char c)
-{
- struct screen *d = &screen;
- u_short *base;
- int i, j;
- u_short *pp;
-
- base = Crtat;
-
- switch (d->state) {
- case NORMAL:
- switch (c) {
- case 0x0: /* Ignore pad characters */
- return;
-
- case 0x1B:
- d->state = ESC;
- break;
-
- case '\t':
- do {
- wrtchar(d->color | ' ', d);
- } while (d->row % 8);
- break;
-
- case '\b': /* non-destructive backspace */
- if (d->cp > base) {
- d->cp--;
- d->row--;
- if (d->row < 0)
- d->row += COL; /* prev column */
- }
- break;
-
- case '\r':
- d->cp -= d->row;
- d->row = 0;
- break;
-
- case '\n':
- d->cp += COL;
- break;
-
- case '\007':
- break;
-
- default:
- if (d->so) {
- wrtchar(d->color_so|(c<<8), d);
- } else {
- wrtchar(d->color | (c<<8), d);
- }
- if (d->row >= COL)
- d->row = 0;
- break;
- }
- break;
-
- case EBRAC:
- /*
- * In this state, the action at the end of the switch
- * on the character type is to go to NORMAL state,
- * and intermediate states do a return rather than break.
- */
- switch (c) {
- case 'm':
- d->so = d->cx;
- break;
-
- case 'A': /* back one row */
- if (d->cp >= base + COL)
- d->cp -= COL;
- break;
-
- case 'B': /* down one row */
- d->cp += COL;
- break;
-
- case 'C': /* right cursor */
- d->cp++;
- d->row++;
- break;
-
- case 'D': /* left cursor */
- if (d->cp > base) {
- d->cp--;
- d->row--;
- if (d->row < 0)
- d->row += COL; /* prev column ??? */
- }
- break;
-
- case 'J': /* Clear to end of display */
- fillw(d->color|(' '<<8), d->cp, base + COL * ROW - d->cp);
- break;
-
- case 'K': /* Clear to EOL */
- fillw(d->color|(' '<<8), d->cp, COL - (d->cp - base) % COL);
- break;
-
- case 'H': /* Cursor move */
- if (d->cx > ROW)
- d->cx = ROW;
- if (d->cy > COL)
- d->cy = COL;
- if (d->cx == 0 || d->cy == 0) {
- d->cp = base;
- d->row = 0;
- } else {
- d->cp = base + (d->cx - 1) * COL + d->cy - 1;
- d->row = d->cy - 1;
- }
- break;
-
- case '_': /* set cursor */
- if (d->cx)
- d->cx = 1; /* block */
- else
- d->cx = 12; /* underline */
- outb(addr_6845, 10);
- outb(addr_6845+1, d->cx);
- outb(addr_6845, 11);
- outb(addr_6845+1, 13);
- break;
-
- case ';': /* Switch params in cursor def */
- d->accp = &d->cy;
- return;
-
- case '=': /* ESC[= color change */
- d->state = EBRACEQ;
- return;
-
- case 'L': /* Insert line */
- i = (d->cp - base) / COL;
- /* avoid deficiency of bcopy implementation */
- pp = base + COL * (ROW-2);
- for (j = ROW - 1 - i; j--; pp -= COL)
- bcopy(pp, pp + COL, COL * CHR);
- fillw(d->color|(' '<<8), base + i * COL, COL);
- break;
-
- case 'M': /* Delete line */
- i = (d->cp - base) / COL;
- pp = base + i * COL;
- bcopy(pp + COL, pp, (ROW-1 - i)*COL*CHR);
- fillw(d->color|(' '<<8), base + COL * (ROW - 1), COL);
- break;
-
- default: /* Only numbers valid here */
- if ((c >= '0') && (c <= '9')) {
- *(d->accp) *= 10;
- *(d->accp) += c - '0';
- return;
- } else
- break;
- }
- d->state = NORMAL;
- break;
-
- case EBRACEQ: {
- /*
- * In this state, the action at the end of the switch
- * on the character type is to go to NORMAL state,
- * and intermediate states do a return rather than break.
- */
- u_char *colp;
-
- /*
- * Set foreground/background color
- * for normal mode, standout mode
- * or kernel output.
- * Based on code from kentp@svmp03.
- */
- switch (c) {
- case 'F':
- colp = ATTR_ADDR(d->color);
- do_fg:
- *colp = (*colp & 0xf0) | (d->cx);
- break;
-
- case 'G':
- colp = ATTR_ADDR(d->color);
- do_bg:
- *colp = (*colp & 0xf) | (d->cx << 4);
- break;
-
- case 'H':
- colp = ATTR_ADDR(d->color_so);
- goto do_fg;
-
- case 'I':
- colp = ATTR_ADDR(d->color_so);
- goto do_bg;
-
- case 'S':
- d->save_color = d->color;
- d->save_color_so = d->color_so;
- break;
-
- case 'R':
- d->color = d->save_color;
- d->color_so = d->save_color_so;
- break;
-
- default: /* Only numbers valid here */
- if ((c >= '0') && (c <= '9')) {
- d->cx *= 10;
- d->cx += c - '0';
- return;
- } else
- break;
- }
- d->state = NORMAL;
- }
- break;
-
- case ESC:
- switch (c) {
- case 'c': /* Clear screen & home */
- fillw(d->color|(' '<<8), base, COL * ROW);
- d->cp = base;
- d->row = 0;
- d->state = NORMAL;
- break;
- case '[': /* Start ESC [ sequence */
- d->state = EBRAC;
- d->cx = 0;
- d->cy = 0;
- d->accp = &d->cx;
- break;
- default: /* Invalid, clear state */
- d->state = NORMAL;
- break;
- }
- break;
- }
- if (d->cp >= base + (COL * ROW)) { /* scroll check */
- bcopy(base + COL, base, COL * (ROW - 1) * CHR);
- fillw(d->color|(' '<<8), base + COL * (ROW - 1), COL);
- d->cp -= COL;
- }
- cursor();
-}
-
-video_on()
-{ /* Enable video */
- outb(0x3C4, 0x01);
- outb(0x3C5, inb(0x3C5)&~20);
-}
-
-CRT_init()
-{
- unsigned long *PCI_base = (unsigned long *)0x80808010; /* Magic */
- struct screen *d = &screen;
- if (!isBeBox[0] && *PCI_base)
- { /* No CRT configured */
- return (0);
- }
- /* Assume BeBox uses only VGA */
- video_on();
- d->cp = Crtat = (u_short *)&ISA_mem[0x0B8000];
- addr_6845 = CGA_BASE;
- initscreen();
- fillw(pccolor|(' '<<8), d->cp, COL * ROW);
- return (1);
-}
-
-/* Keyboard handler */
-
-#define L 0x0001 /* locking function */
-#define SHF 0x0002 /* keyboard shift */
-#define ALT 0x0004 /* alternate shift -- alternate chars */
-#define NUM 0x0008 /* numeric shift cursors vs. numeric */
-#define CTL 0x0010 /* control shift -- allows ctl function */
-#define CPS 0x0020 /* caps shift -- swaps case of letter */
-#define ASCII 0x0040 /* ascii code for this key */
-#define STP 0x0080 /* stop output */
-#define FUNC 0x0100 /* function key */
-#define SCROLL 0x0200 /* scroll lock key */
-
-/* #include "pcconstab.US" */
-/* BSDI $Id: pcconstab.US,v 1.1.1.1 1994/03/31 13:29:09 gary Exp $ */
-/*-
- * Copyright (c) 1990 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * William Jolitz and Don Ahn.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions
- * are met:
- * 1. Redistributions of source code must retain the above copyright
- * notice, this list of conditions and the following disclaimer.
- * 2. Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- * 3. All advertising materials mentioning features or use of this software
- * must display the following acknowledgement:
- * This product includes software developed by the University of
- * California, Berkeley and its contributors.
- * 4. Neither the name of the University nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
- * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
- * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
- * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
- * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
- * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
- * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
- * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
- * SUCH DAMAGE.
- *
- * from @(#)pccons.c 5.11 (Berkeley) 5/21/91
- */
-
-/*
- * US Keyboard mapping tables
- */
-
-const unsigned short action[] = {
- 0, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, /* scan 0- 7 */
- ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, /* scan 8-15 */
- ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, /* scan 16-23 */
- ASCII, ASCII, ASCII, ASCII, ASCII, CTL, ASCII, ASCII, /* scan 24-31 */
- ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, /* scan 32-39 */
- ASCII, ASCII, SHF, ASCII, ASCII, ASCII, ASCII, ASCII, /* scan 40-47 */
- ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, SHF, ASCII, /* scan 48-55 */
- ALT, ASCII, CPS, FUNC, FUNC, FUNC, FUNC, FUNC, /* scan 56-63 */
- FUNC, FUNC, FUNC, FUNC, FUNC, NUM,SCROLL, ASCII, /* scan 64-71 */
- ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, ASCII, /* scan 72-79 */
- ASCII, ASCII, ASCII, ASCII, 0, 0, 0, 0, /* scan 80-87 */
- 0,0,0,0,0,0,0,0, /* scan 88-95 */
- 0,0,0,0,0,0,0,0, /* scan 96-103 */
- 0,0,0,0,0,0,0,0, /* scan 104-111 */
- 0,0,0,0,0,0,0,0, /* scan 112-119 */
- 0,0,0,0,0,0,0,0, /* scan 120-127 */
-};
-
-const unsigned char unshift[] = { /* no shift */
- 0, 033, '1', '2', '3', '4', '5', '6', /* scan 0- 7 */
- '7', '8', '9', '0', '-', '=', 010, '\t', /* scan 8-15 */
- 'q', 'w', 'e', 'r', 't', 'y', 'u', 'i', /* scan 16-23 */
- 'o', 'p', '[', ']', '\r', CTL, 'a', 's', /* scan 24-31 */
- 'd', 'f', 'g', 'h', 'j', 'k', 'l', ';', /* scan 32-39 */
- '\'', '`', SHF, '\\', 'z', 'x', 'c', 'v', /* scan 40-47 */
- 'b', 'n', 'm', ',', '.', '/', SHF, '*', /* scan 48-55 */
- ALT, ' ', CPS, 1, 2, 3, 4, 5, /* scan 56-63 */
- 6, 7, 8, 9, 10, NUM, STP, '7', /* scan 64-71 */
- '8', '9', '-', '4', '5', '6', '+', '1', /* scan 72-79 */
- '2', '3', '0', 0177, 0, 0, 0, 0, /* scan 80-87 */
- 0,0,0,0,0,0,0,0, /* scan 88-95 */
- 0,0,0,0,0,0,0,0, /* scan 96-103 */
- 0,0,0,0,0,0,0,0, /* scan 104-111 */
- 0,0,0,0,0,0,0,0, /* scan 112-119 */
- 0,0,0,0,0,0,0,0, /* scan 120-127 */
-};
-
-const unsigned char shift[] = { /* shift shift */
- 0, 033, '!', '@', '#', '$', '%', '^', /* scan 0- 7 */
- '&', '*', '(', ')', '_', '+', 010, '\t', /* scan 8-15 */
- 'Q', 'W', 'E', 'R', 'T', 'Y', 'U', 'I', /* scan 16-23 */
- 'O', 'P', '{', '}', '\r', CTL, 'A', 'S', /* scan 24-31 */
- 'D', 'F', 'G', 'H', 'J', 'K', 'L', ':', /* scan 32-39 */
- '"', '~', SHF, '|', 'Z', 'X', 'C', 'V', /* scan 40-47 */
- 'B', 'N', 'M', '<', '>', '?', SHF, '*', /* scan 48-55 */
- ALT, ' ', CPS, 0, 0, ' ', 0, 0, /* scan 56-63 */
- 0, 0, 0, 0, 0, NUM, STP, '7', /* scan 64-71 */
- '8', '9', '-', '4', '5', '6', '+', '1', /* scan 72-79 */
- '2', '3', '0', 0177, 0, 0, 0, 0, /* scan 80-87 */
- 0,0,0,0,0,0,0,0, /* scan 88-95 */
- 0,0,0,0,0,0,0,0, /* scan 96-103 */
- 0,0,0,0,0,0,0,0, /* scan 104-111 */
- 0,0,0,0,0,0,0,0, /* scan 112-119 */
- 0,0,0,0,0,0,0,0, /* scan 120-127 */
-};
-
-const unsigned char ctl[] = { /* CTL shift */
- 0, 033, '!', 000, '#', '$', '%', 036, /* scan 0- 7 */
- '&', '*', '(', ')', 037, '+', 034,'\177', /* scan 8-15 */
- 021, 027, 005, 022, 024, 031, 025, 011, /* scan 16-23 */
- 017, 020, 033, 035, '\r', CTL, 001, 023, /* scan 24-31 */
- 004, 006, 007, 010, 012, 013, 014, ';', /* scan 32-39 */
- '\'', '`', SHF, 034, 032, 030, 003, 026, /* scan 40-47 */
- 002, 016, 015, '<', '>', '?', SHF, '*', /* scan 48-55 */
- ALT, ' ', CPS, 0, 0, ' ', 0, 0, /* scan 56-63 */
- CPS, 0, 0, 0, 0, 0, 0, 0, /* scan 64-71 */
- 0, 0, 0, 0, 0, 0, 0, 0, /* scan 72-79 */
- 0, 0, 0, 0177, 0, 0, 0, 0, /* scan 80-87 */
- 0, 0, 033, '7', '4', '1', 0, NUM, /* scan 88-95 */
- '8', '5', '2', 0, STP, '9', '6', '3', /* scan 96-103*/
- '.', 0, '*', '-', '+', 0, 0, 0, /*scan 104-111*/
- 0,0,0,0,0,0,0,0, /* scan 112-119 */
- 0,0,0,0,0,0,0,0, /* scan 120-127 */
-};
-
-
-unsigned char shfts, ctls, alts, caps, num, stp;
-
-#define KBDATAP 0x60 /* kbd data port */
-#define KBSTATUSPORT 0x61 /* kbd status */
-#define KBSTATP 0x64 /* kbd status port */
-#define KBINRDY 0x01
-#define KBOUTRDY 0x02
-
-#define _x__ 0x00 /* Unknown / unmapped */
-
-const unsigned char keycode[] = {
- _x__, 0x43, 0x41, 0x3F, 0x3D, 0x3B, 0x3C, _x__, /* 0x00-0x07 */
- _x__, 0x44, 0x42, 0x40, 0x3E, 0x0F, 0x29, _x__, /* 0x08-0x0F */
- _x__, 0x38, 0x2A, _x__, 0x1D, 0x10, 0x02, _x__, /* 0x10-0x17 */
- _x__, _x__, 0x2C, 0x1F, 0x1E, 0x11, 0x03, _x__, /* 0x18-0x1F */
- _x__, 0x2E, 0x2D, 0x20, 0x12, 0x05, 0x04, _x__, /* 0x20-0x27 */
- _x__, 0x39, 0x2F, 0x21, 0x14, 0x13, 0x06, _x__, /* 0x28-0x2F */
- _x__, 0x31, 0x30, 0x23, 0x22, 0x15, 0x07, _x__, /* 0x30-0x37 */
- _x__, _x__, 0x32, 0x24, 0x16, 0x08, 0x09, _x__, /* 0x38-0x3F */
- _x__, 0x33, 0x25, 0x17, 0x18, 0x0B, 0x0A, _x__, /* 0x40-0x47 */
- _x__, 0x34, 0x35, 0x26, 0x27, 0x19, 0x0C, _x__, /* 0x48-0x4F */
- _x__, _x__, 0x28, _x__, 0x1A, 0x0D, _x__, _x__, /* 0x50-0x57 */
- 0x3A, 0x36, 0x1C, 0x1B, _x__, 0x2B, _x__, _x__, /* 0x58-0x5F */
- _x__, _x__, _x__, _x__, _x__, _x__, 0x0E, _x__, /* 0x60-0x67 */
- _x__, 0x4F, _x__, 0x4B, 0x47, _x__, _x__, _x__, /* 0x68-0x6F */
- 0x52, 0x53, 0x50, 0x4C, 0x4D, 0x48, 0x01, 0x45, /* 0x70-0x77 */
- _x__, 0x4E, 0x51, 0x4A, _x__, 0x49, 0x46, 0x54, /* 0x78-0x7F */
-};
-
-int
-kbd(noblock)
- int noblock;
-{
- unsigned char dt, brk, act;
- int first = 1;
-loop:
- if (noblock) {
- if ((inb(KBSTATP) & KBINRDY) == 0)
- return (-1);
- } else while((inb(KBSTATP) & KBINRDY) == 0)
- ;
- dt = inb(KBDATAP);
-
- brk = dt & 0x80; /* brk == 1 on key release */
- dt = dt & 0x7f; /* keycode */
-
- act = action[dt];
- if (act&SHF)
- shfts = brk ? 0 : 1;
- if (act&ALT)
- alts = brk ? 0 : 1;
- if (act&NUM)
- if (act&L) {
- /* NUM lock */
- if(!brk)
- num = !num;
- } else
- num = brk ? 0 : 1;
- if (act&CTL)
- ctls = brk ? 0 : 1;
- if (act&CPS)
- if (act&L) {
- /* CAPS lock */
- if(!brk)
- caps = !caps;
- } else
- caps = brk ? 0 : 1;
- if (act&STP)
- if (act&L) {
- if(!brk)
- stp = !stp;
- } else
- stp = brk ? 0 : 1;
-
- if ((act&ASCII) && !brk) {
- unsigned char chr;
-
- if (shfts)
- chr = shift[dt];
- else if (ctls)
- chr = ctl[dt];
- else
- chr = unshift[dt];
-
- if (alts)
- chr |= 0x80;
-
- if (caps && (chr >= 'a' && chr <= 'z'))
- chr -= 'a' - 'A' ;
-#define CTRL(s) (s & 0x1F)
- if ((chr == '\r') || (chr == '\n') || (chr == CTRL('A')) || (chr == CTRL('S')))
- {
- /* Wait for key up */
- while (1)
- {
- while((inb(KBSTATP) & KBINRDY) == 0) ;
- dt = inb(KBDATAP);
- if (dt & 0x80) /* key up */ break;
- }
- }
- return (chr);
- }
- if (first && brk) return (0); /* Ignore initial 'key up' codes */
- goto loop;
-}
-
-scankbd() {
- return (kbd(1) != -1);
-}
-
-kbdreset()
-{
- unsigned char c;
-
- /* Enable interrupts and keyboard controller */
- while (inb(KBSTATP) & KBOUTRDY)
- ;
- outb(KBSTATP,0x60);
- while (inb(KBSTATP) & KBOUTRDY)
- ;
- outb(KBDATAP,0x4D);
-
- /* Start keyboard stuff RESET */
- while (inb(KBSTATP) & KBOUTRDY)
- ; /* wait input ready */
- outb(KBDATAP,0xFF); /* RESET */
-
- while ((c = inb(KBDATAP)) != 0xFA)
- ;
-}
-
-CRT_getc()
-{
- int c;
- while ((c = kbd(0)) == 0) ;
- return(c);
-}
-
-CRT_test()
-{
- return ((inb(KBSTATP) & KBINRDY) != 0);
-}
-
-
-_dump_buf_with_offset(unsigned char *p, int s, unsigned char *base)
-{
- int i, c;
- if ((unsigned int)s > (unsigned int)p)
- {
- s = (unsigned int)s - (unsigned int)p;
- }
- while (s > 0)
- {
- if (base)
- {
- _printk("%06X: ", (int)p - (int)base);
- } else
- {
- _printk("%06X: ", p);
- }
- for (i = 0; i < 16; i++)
- {
- if (i < s)
- {
- _printk("%02X", p[i] & 0xFF);
- } else
- {
- _printk(" ");
- }
- if ((i % 2) == 1) _printk(" ");
- if ((i % 8) == 7) _printk(" ");
- }
- _printk(" |");
- for (i = 0; i < 16; i++)
- {
- if (i < s)
- {
- c = p[i] & 0xFF;
- if ((c < 0x20) || (c >= 0x7F)) c = '.';
- } else
- {
- c = ' ';
- }
- _printk("%c", c);
- }
- _printk("|\n");
- s -= 16;
- p += 16;
- }
-}
-
-_dump_buf(unsigned char *p, int s)
-{
- _dump_buf_with_offset(p, s, 0);
-}
-
-
-dump_buf_with_offset(unsigned char *p, int s, unsigned char *base)
-{
- int i, c;
- if ((unsigned int)s > (unsigned int)p)
- {
- s = (unsigned int)s - (unsigned int)p;
- }
- while (s > 0)
- {
- if (base)
- {
- printk("%06X: ", (int)p - (int)base);
- } else
- {
- printk("%06X: ", p);
- }
- for (i = 0; i < 16; i++)
- {
- if (i < s)
- {
- printk("%02X", p[i] & 0xFF);
- } else
- {
- printk(" ");
- }
- if ((i % 2) == 1) printk(" ");
- if ((i % 8) == 7) printk(" ");
- }
- printk(" |");
- for (i = 0; i < 16; i++)
- {
- if (i < s)
- {
- c = p[i] & 0xFF;
- if ((c < 0x20) || (c >= 0x7F)) c = '.';
- } else
- {
- c = ' ';
- }
- printk("%c", c);
- }
- printk("|\n");
- s -= 16;
- p += 16;
- }
-}
-
-dump_buf(unsigned char *p, int s)
-{
- dump_buf_with_offset(p, s, 0);
-}
-
-
-do_cnpause()
-{
- static int line = 0;
- if (++line > MAX_LINES)
- {
- cnpause();
- line = 0;
- }
-}
FUNET's LINUX-ADM group, linux-adm@nic.funet.fi
TCL-scripts by Sam Shen, slshen@lbl.gov
with Sam's (original) version of this